CVE-2016-2533

MEDIUMNVD 6.56.5—

6.5

Buffer overflow in the ImagingPcdDecode function in PcdDecode.c in Pillow before 3.1.1 and Python Imaging Library (PIL) 1.1.7 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PhotoCD file.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 84.7%
KEV: Not listed

Published

April 13, 2016

Last Modified

May 6, 2026

References (18)

cve@mitrehttp://www.debian.org/security/2016/dsa-3499
cve@mitrehttp://www.openwall.com/lists/oss-security/2016/02/02/5
cve@mitrehttp://www.openwall.com/lists/oss-security/2016/02/22/2
cve@mitrehttp://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
cve@mitrehttps://github.com/python-pillow/Pillow/blob/c3cb690fed5d4bf0c45576759de55d054916c165/CHANGES.rst
cve@mitrehttps://github.com/python-pillow/Pillow/commit/5bdf54b5a76b54fb00bd05f2d733e0a4173eefc9#diff-8ff6909c159597e22288ad818938fd6b
cve@mitrehttps://github.com/python-pillow/Pillow/commit/ae453aa18b66af54e7ff716f4ccb33adca60afd4#diff-8ff6909c159597e22288ad818938fd6b
cve@mitrehttps://github.com/python-pillow/Pillow/pull/1706
cve@mitrehttps://security.gentoo.org/glsa/201612-52
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3499
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/02/02/5
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/02/22/2
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/python-pillow/Pillow/blob/c3cb690fed5d4bf0c45576759de55d054916c165/CHANGES.rst
af854a3a-2127-422b-91ae-364da2661108https://github.com/python-pillow/Pillow/commit/5bdf54b5a76b54fb00bd05f2d733e0a4173eefc9#diff-8ff6909c159597e22288ad818938fd6b

Patch Availability(2)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	python3-sane (2.3.0-1ubuntu3.2) @ trusty	2026-05-22	ubuntu
ubuntu	python-imaging (1.1.7-4ubuntu0.12.04.2) @ precise	2026-05-22	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
pillow	1.0 ... 3.1.0rc1 (41 versions)	3.1.1	—

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch
2026-05-23 00:10 UTCEG score recompute
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 20:49 UTCEG score recompute
2026-05-22 20:49 UTCVendor advisory
2026-05-21 22:40 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-19 16:33 UTCOSV refresh
2026-05-18 21:30 UTCepss_batch
2026-05-18 21:30 UTCepss_batch

Frequently asked(5)

What is CVE-2016-2533?

CVE-2016-2533 is a medium vulnerability published on April 13, 2016. Buffer overflow in the ImagingPcdDecode function in PcdDecode.c in Pillow before 3.1.1 and Python Imaging Library (PIL) 1.1.7 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PhotoCD file.

When was CVE-2016-2533 disclosed?

CVE-2016-2533 was first published in the National Vulnerability Database on April 13, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-2533 actively exploited?

CVE-2016-2533 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 84.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-2533?

CVE-2016-2533 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2016-2533?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-2533, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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